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Re: strdup falsely detected when CFLAGS contains -ansi on MSYS/MinGW (gc
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From: |
Eric Blake |
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Subject: |
Re: strdup falsely detected when CFLAGS contains -ansi on MSYS/MinGW (gcc) |
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Date: |
Mon, 29 Dec 2008 05:57:02 -0700 |
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User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.18) Gecko/20081105 Thunderbird/2.0.0.18 Mnenhy/0.7.5.666 |
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According to Chris Pickett on 12/29/2008 2:25 AM:
>> If you want to use extensions you should use AC_USE_SYSTEM_EXTENSIONS.
>
> I tried adding this before AC_PROG_CC in my example and I get the same
> result for mingw.
AC_USE_SYSTEM_EXTENSIONS should come AFTER AC_PROG_CC. The other thing
that you need to realize is that AC_REPLACE_FUNCS([strdup]) merely checks
whether strdup is linkable (for your platform, it always is), not whether
it is declared (with -ansi, it is not). Therefore, you need to complement
it with AC_CHECK_DECLS([strdup]) and provide your own declaration of
strdup if HAVE_DECL_STRDUP is 0.
- --
Don't work too hard, make some time for fun as well!
Eric Blake address@hidden
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